--- title: "Missoula (MSO) to San Diego (SAN) flights: who flies it" description: "Alaska Airlines flies nonstop from MSO to SAN, about 1 flight a week, scheduled at 2h 52m. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/mso-san" url: "https://2lnr.com/routes/mso-san.md" date_modified: "2026-10-18T05:10:47Z" --- # Missoula to San Diego (MSO-SAN): nonstop upgrade & award space Alaska Airlines flies nonstop from Missoula (MSO) to San Diego (SAN) just once a week. In the timetable below it flies as AS 2310, scheduled at 2h 52m for the 994 miles. 2LNR checks confirmed upgrade and award space on Alaska Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See MSO to SAN on the interactive map [Get started free](https://2lnr.com/login) 1 Flights a week, 4-week average 2h 52m Scheduled flight time 994 mi Nonstop distance Free To get started ## Missoula to San Diego flight schedule Scheduled nonstop departures for MSO to SAN starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Missoula (MSO) to San Diego (SAN) | Date | Flight | Airline | Departs MSO | Arrives SAN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Jun 12 | AS 2310 | Alaska Airlines, Inc. | 13:30 | 15:22 | 2h 52m | [Embraer E175](https://2lnr.com/seatmaps/as/e175.md) | | Sat, Jun 19 | AS 2310 | Alaska Airlines, Inc. | 13:30 | 15:22 | 2h 52m | Embraer E175 | | Sat, Jun 26 | AS 2310 | Alaska Airlines, Inc. | 13:30 | 15:22 | 2h 52m | Embraer E175 | | Sat, Jul 3 | AS 2310 | Alaska Airlines, Inc. | 13:30 | 15:22 | 2h 52m | Embraer E175 | | Sat, Jul 10 | AS 2310 | Alaska Airlines, Inc. | 13:30 | 15:22 | 2h 52m | Embraer E175 | | Sat, Jul 17 | AS 2310 | Alaska Airlines, Inc. | 13:30 | 15:22 | 2h 52m | Embraer E175 | | Sat, Jul 24 | AS 2310 | Alaska Airlines, Inc. | 13:30 | 15:22 | 2h 52m | Embraer E175 | Showing all 7 scheduled MSO to SAN departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every MSO to SAN date on the interactive map ## Aircraft on the Missoula to San Diego nonstop Alaska Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/as/e175.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on MSO to SAN departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Missoula to San Diego to see which departures have space, the next 14 days free on every product and the full horizon on Pro. ### See real availability Confirmed upgrade or award seats by date on the MSO to SAN departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See MSO to SAN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Missoula to San Diego nonstop Carriers operating MSO to SAN nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) See MSO to SAN on the interactive map → ## Frequently asked questions about MSO to SAN **How long is the flight from Missoula (MSO) to San Diego (SAN)?** AS 2310 is scheduled at 2h 52m from Missoula (MSO) to San Diego (SAN) on every departure in the schedule table on this page. The nonstop covers about 994 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from MSO to SAN?** Alaska Airlines is currently the only airline flying MSO to SAN nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines. **How often does MSO to SAN operate?** The MSO to SAN nonstop currently runs once a week, on Alaska Airlines. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from MSO to SAN depart?** In the next 7 days with service, every scheduled MSO to SAN nonstop leaves at 13:30 local time at Missoula. The schedule table on this page lists each departure by date. **Which flights operate MSO to SAN nonstop?** Alaska Airlines flies AS 2310 nonstop from Missoula (MSO) to San Diego (SAN), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **How do I check upgrade or award availability on MSO to SAN?** Open the MSO to SAN route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [SAN to MSO upgrade and award space](https://2lnr.com/routes/san-mso.md). Award seats rather than schedules? See [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from Missoula (MSO)](https://2lnr.com/routes/mso.md), or [every route from San Diego (SAN)](https://2lnr.com/routes/san.md). Nonstops to San Diego (SAN) from other airports within 150 miles of Missoula (MSO): - [Kalispell (FCA) to San Diego (SAN)](https://2lnr.com/routes/fca-san.md), 97 miles from MSO Nonstops from Missoula (MSO) to other airports within 150 miles of San Diego (SAN): - [Missoula (MSO) to Santa Ana (SNA)](https://2lnr.com/routes/mso-sna.md), 76 miles from SAN - [Missoula (MSO) to Los Angeles (LAX)](https://2lnr.com/routes/mso-lax.md), 110 miles from SAN Distances are great-circle between the airports, not driving distance. - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss MSO to SAN upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)